We compute the Sivers, Boer-Mulders, worm-gear (T and L) transverse momentum dependent distributions in terms of twist-two and twist-three collinear distributions in the small-b limit up to next-to-leading order (NLO) in perturbation theory.
@article{arxiv.2209.00962,
title = {Sivers, Boer-Mulders and worm-gear distributions at next-to-leading order},
author = {Felix Rein and Simone Rodini and Andreas Schäfer and Alexey Vladimirov},
journal= {arXiv preprint arXiv:2209.00962},
year = {2025}
}
Comments
26 pages, 1 figure v3: fixed typos in tw2 h_{1L}^\perp